Advantages & Limitations of Raspberry Pi Compute Module

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Advantages & Limitations of Raspberry Pi Compute Module
Advantages of using the Raspberry Pi compute module
1. Availability
2. Small Form Factor (edge PCB connector interface)
3. Onboard eMMC
4. Temperature Range (-25 to 85 Degree C)
5. IO Interfaces
Limitations of using the Raspberry Pi Compute Module
1. Complex Power Supply Requirement
2. Limited IOs & Interfaces

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Raspberry Pi compute module is a great embedded Linux development platform for building a Commercial or an Industrial Product.
If you are planning to use Raspberry Pi compute module for your product development, you must read this article and understand advantages and especially the limitations of the module and see if they are impacting any of your design requirements.
Advantages of using the Raspberry Pi compute module
Availability is one of the most critical parameter to consider before deciding to use any board or module for your product development.
As per Raspberry Pi’s obsolescence statement, Compute Module 3+ will remain in production until at least January 2026.
The Raspberry Pi compute module comes with an option of onboard eMMC ( 8GB/16GB/32GB eMMC Flash) which eliminates the unreliability of OS residing on an SD Card.
As mentioned on the Raspberry Pi website: The operating temperature range of the module is set by the lowest maximum and highest minimum of any of the components used.
Limitations of using the Raspberry Pi Compute Module
Module form-factor gives a lot of advantages but there are some limitations also of Raspberry Pi compute module.
One of the biggest limitation with module approach is that you need to create a carrier board if the readily available boards in the market are not good enough for your requirement or are very expensive.
Ethernet interface is not available on the module.
Raspberry Pi compute module has only one USB interface.
Module doesn’t have any USB3.0 interface.
Although compute module has two SDIO interface only one if available on CM3+ variant as another is used for onboard eMMC Memory.
In order to use Raspberry Pi compute module SODIMM connector is required, which add cost & a little complexity to the carrier or IO board design.
Unlike many Raspberry Pi SBC Boards, Compute module do not have any provision of WiFi or bluetooth connectivity

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